[Event "IBM"]
[Site "Amsterdam"]
[Date "1973.??.??"]
[Round "10"]
[White "Ree, Hans"]
[Black "Spassky, Boris Vasilievich"]
[Result "1/2-1/2"]

1. Nf3 d5 2. c4 d4 3. e3 c5 4. b4 f6 5. exd4 cxd4 6. d3 e5 7. a3 a5 8. b5 Nd7 9. Nbd2 Nh6 10. Be2 Be7 11. O-O O-O 12. Ne1 Nf7 13. Bg4 Nd6 14. Be6+ Kh8 15. a4 Nc5 16. Bxc8 Rxc8 17. Ba3 Ne6 18. Nb3 b6 19. Nf3 Nb7 20. Bxe7 Qxe7 21. Re1 Qd7 22. Nfd2 Rfe8 23. Qf3 Nbc5 24. Nxc5 Nxc5 25. Ne4 f5 26. Nxc5 Rxc5 27. Rad1 1/2-1/2